1996 Rolex Day Date 36mm Champagne Dial Presidential BraceletPre owned Champagne Diamond Dial 18k Yellow Gold President Day date 18238 Unisex Wristwatch 36 mm. The Rolex Day Date was the first automatic, waterproof chronometer wristwatch that indicated both, the date and the day of the week. The 18XXX series, the fifth generation of Day Dates, were introduced in 1988 and the one we can offer you dates back to 1990. It houses the caliber 3155 that provides the watch with a double quickset function. This means